76 строки
2.9 KiB
Python
76 строки
2.9 KiB
Python
#!/usr/bin/env pytest
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# -*- coding: utf-8 -*-
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###############################################################################
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# $Id$
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#
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# Project: GDAL/OGR Test Suite
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# Purpose: gdal2tiles.py testing
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# Author: Gregory Bataille <gregory.bataille@gmail.com>
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#
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###############################################################################
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# Copyright (c) 2017, Gregory Bataille <gregory.bataille@gmail.com>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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# DEALINGS IN THE SOFTWARE.
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###############################################################################
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from unittest import TestCase, mock
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from osgeo import gdal
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from osgeo_utils import gdal2tiles
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class NbDataBandsTest(TestCase):
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def setUp(self):
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self.ds = mock.MagicMock()
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alphaband = mock.MagicMock()
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alphaband.GetMaskFlags = mock.MagicMock(return_value=gdal.GMF_ALPHA - 1)
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rasterband = mock.MagicMock()
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rasterband.GetMaskBand = mock.MagicMock(return_value=alphaband)
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self.ds.GetRasterBand = mock.MagicMock(return_value=rasterband)
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def test_1_band_means_gray(self):
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self.ds.RasterCount = 1
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self.assertEqual(gdal2tiles.nb_data_bands(self.ds), 1)
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def test_2_bands_means_gray_alpha(self):
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self.ds.RasterCount = 2
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self.assertEqual(gdal2tiles.nb_data_bands(self.ds), 1)
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def test_3_bands_means_rgb(self):
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self.ds.RasterCount = 3
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self.assertEqual(gdal2tiles.nb_data_bands(self.ds), 3)
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def test_4_bands_means_rgba(self):
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self.ds.RasterCount = 4
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self.assertEqual(gdal2tiles.nb_data_bands(self.ds), 3)
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def test_alpha_mask(self):
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SOME_RANDOM_NUMBER = 42
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self.ds.RasterCount = SOME_RANDOM_NUMBER
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self.ds.GetRasterBand(
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1
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).GetMaskBand().GetMaskFlags.return_value = gdal.GMF_ALPHA
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# Should consider there is an alpha band
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self.assertEqual(gdal2tiles.nb_data_bands(self.ds), SOME_RANDOM_NUMBER - 1)
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